Portion of a display panel with a graphical user interface



FIG. 1 is a front view of a portion of a display panel with a graphical user interface showing features of our new design; and,

FIG. 2 is a detail view of a portion of FIG. 1.

The diagonal lines that are part of the claimed design are meant to portray the illusion of contrasting surfaces.

The broken lines illustrate environmental structure, namely, the text, borders, the top surface of the illustrated columnar features, and the display panel of a communications terminal surrounding all of the illustrated features, and form no part of the claimed design. 

CLAIM The ornamental design for a portion of a display panel with a graphical user interface, as shown and described. 